EXHIBIT 23.3 CONSENT OF SPECIAL COUNSEL FOR KOPIN CORPORATION We consent to the reference to our firm under the caption "Experts" contained in the Registration Statement on Form S-3 of Kopin Corporation and the Prospectus forming a part thereof. Hamilton Brook, Smith & Reynolds, P.C. By: /s/ David E. Brook ------------------- David E. Brook Dated: September 20, 1999